Replaced "assertEquals" with "assertEqual".
Made test_when_3_then_Fizz green.
Moved class FizzBuzz to file FizzBuzzWithFeatureToggle.py
Renamed class FizzBuzz to be FizzBuzzWithFeatureToggle.
Extracted tests for common numbers to test_when_common_number_then_say_it_directly().
Renamed class FizzBuzzWithFeatureToggle to be FizzBuzzWithBodyMovement.
Renamed class FizzBuzzWithBodyMovement back to be FizzBuzz since the new feature of adding body movement is not coming yet.
Added test_when_5_then_Buzz().